Most C-store ship purchases are "account unlocks", which means that you can dismiss/reclaim that ship over and over...

I've dismissed 4 Connies in a row to outfit a cruiser in all blue phasers, and not had to pay an extra zen above the amount that I paid to get the Connie in the first place...

That, and IIRC, they moved the fancy costumes to the fleet versions anyway, but if you had the costume from a purchase made before S6, that costume remained unlocked for all variants of the ship that is eligible to wear it...

Well, with the upgrade announcement leaving NX and Connie fans in the dust again, can we restart / revisit the T5 Connie and NX threads - since they will no longer be "truly" endgame ships... (after we get the T5 versions, it'll be time to see them added to the T5U upgrade charts too...